Humulus lupulus

Humulus lupulus
Common hop
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Rosales
Family: Cannabaceae
Genus: Humulus
Species: H. lupulus
Binomial name
Humulus lupulus
L.

Humulus lupulus (Common hop) is a species of Humulus in the Cannabaceae family.

Common hop is a dioecious, perennial herbaceous climbing plant which sends up new shoots in early spring and dies back to the cold-hardy rhizome in autumn. It is native to the temperate Northern Hemisphere.

The flower cones of the plant, known as hops, are used in the production of beer to impart bitterness and flavor, and for their preservative qualities.[1] The extract is antimicrobial, which makes it useful for making natural deodorant.[2] Hops also contain the potent phytoestrogen, 8-prenylnaringenin that may have a relative binding affinity to estrogen receptors.[3] Hop also contains myrcene, humulene, xanthohumol, myrcenol, linalool, tannins, resin.

Contents

Varieties

There are five varieties of this species (Humulus lupulus):

  • H. lupulus var. lupulus. – Europe, western Asia.
  • H. lupulus var. cordifolius. – Eastern Asia.
  • H. lupulus var. lupuloides (syn. H. americanus). – Eastern North America.
  • H. lupulus var. neomexicanus. – Western North America.
  • H. lupulus var. pubescens. – Midwest North America.

There are many cultivated varieties: see List of hop varieties

Pests and diseases

Animal pests

Diseases

See also

External links

References

  1. ^ "Antimicrobial screening of essential oils and extracts of some Humulus lupulus L. cultivars.". Pharm Weekbl Sci. 1992 Dec 11;14(6):353-6.. http://www.ncbi.nlm.nih.gov/pubmed/1475174?dopt=Abstract. Retrieved 2010-12-06. 
  2. ^ "Hops [CO2] Extract". Toms of Maine. http://www.tomsofmaine.com/products/ingredient-detail.aspx?id=110&name=Hops%20%5BCO2%5D%20extract. Retrieved 2009-06-06. 
  3. ^ "Identification of a potent phytoestrogen in hops (Humulus lupulus L.) and beer". J Clin Endocrinol Metab.. 1999 June. http://www.ncbi.nlm.nih.gov/pubmed/10372741. Retrieved 20 July 2009. 



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  • Humulus Lupulus — Hop Hop, n. [OE. hoppe; akin to D. hop, hoppe, OHG. hopfo, G. hopfen; cf. LL. hupa, W. hopez, Armor. houpez, and Icel. humall, SW. & Dan. humle.] 1. (Bot.) A climbing plant ({Humulus Lupulus}), having a long, twining, annual stalk. It is… …   The Collaborative International Dictionary of English

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  • Humulus lupulus var. lupulus — ID 41133 Symbol Key HULUL2 Common Name common hop Family Cannabaceae Category Dicot Division Magnoliophyta US Nativity Introduced to U.S. US/NA Plant Yes State Distribution CA, CT, DE, IL, IN, KY, MA, MD, ME, MI, MO, NH, NJ, NY, OH, PA, VA, VT,… …   USDA Plant Characteristics

  • Humulus lupulus var. lupuloides — ID 41130 Symbol Key HULUL Common Name common hop Family Cannabaceae Category Dicot Division Magnoliophyta US Nativity Native to U.S. US/NA Plant Yes State Distribution CO, CT, DE, GA, IA, ID, IL, IN, KS, KY, MA, MD, ME, MI, MN, MT, NC, ND, NE, NH …   USDA Plant Characteristics

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